Dev Release, Compatible with 1.15 & WorldEdit 7.X

• Add autoreconnect = true and use ssl = false for mysql connections
• remove duplicates in gitignore
• update config file to use newer material names.
• Add WorldEditSelectionHelper API to add support for Latest WorldEdit Version
• Update for 1.15 Craftbukkit NMS
• Allow configurable time to set when a duel request times out in minutes